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@article{DE_1988_24_4_a2, author = {A. Kosha}, title = {On the manifold of controllable processes in a nonlinear {Lagrange} problem}, journal = {Differencialʹnye uravneni\^a}, pages = {566--570}, publisher = {mathdoc}, volume = {24}, number = {4}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1988_24_4_a2/} }
A. Kosha. On the manifold of controllable processes in a nonlinear Lagrange problem. Differencialʹnye uravneniâ, Tome 24 (1988) no. 4, pp. 566-570. http://geodesic.mathdoc.fr/item/DE_1988_24_4_a2/